Datasheet > ADC12H038CIWMX

ADC12H038CIWMX

更新时间： 2024-11-26 03:44:43

品牌	Logo	应用领域
美国国家半导体 - NSC		转换器
页数	文件大小	规格书
44页	1068K
描述
Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters with MUX and Sample/Hold

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ADC12H038CIWMX 数据手册

April 2007

ADC12H030/ADC12H032/ADC12H034/ADC12H038,

ADC12030/ADC12032/ADC12034/ADC12038

Self-Calibrating 12-Bit Plus Sign Serial I/O A/D Converters

with MUX and Sample/Hold

General Description

Some device/package combinations are obsolete and

shown for reference only.

The ADC12030, and ADC12H030 families are 12-bit plus sign

successive approximation A/D converters with serial I/O and

configurable input multiplexers. The ADC12034/ADC12H034

and ADC12038/ADC12H038 have 4 and 8 channel multiplex-

ers, respectively. The differential multiplexer outputs and A/D

inputs are available on the MUXOUT1, MUXOUT2, A/DIN1

and A/DIN2 pins. The ADC12030/ADC12H030 has a two

channel multiplexer with the multiplexer outputs and A/D in-

puts internally connected. The ADC12030 family is tested

with a 5 MHz clock, while the ADC12H030 family is tested

with an 8 MHz clock. On request, these A/Ds go through a

self calibration process that adjusts linearity, zero and full-

scale errors to less than ±1 LSB each.

Features

Serial I/O (MICROWIRE Compatible)

■

2, 4, or 8 chan differential or single-ended multiplexer

Analog input sample/hold function

Power down mode

Variable resolution and conversion rate

Programmable acquisition time

Variable digital output word length and format

No zero or full scale adjustment required

Fully tested and guaranteed with a 4.096V reference

■

0V to 5V analog input range with single 5V power supply

No Missing Codes over temperature

Key Specifications

■ Resolution

■ 12-bit plus sign conversion time

– ADC12H30 family

The analog inputs can be configured to operate in various

combinations of single-ended, differential, or pseudo-differ-

ential modes. A fully differential unipolar analog input range

(0V to +5V) can be accommodated with a single +5V supply.

In the differential modes, valid outputs are obtained even

when the negative inputs are greater than the positive be-

cause of the 12-bit plus sign output data format.

12-bit plus sign

5.5 µs (max)

8.8 µs (max)

– ADC12030 family

■ 12-bit plus sign throughput time

– ADC12H30 family

The serial I/O is configured to comply with NSC MICROWIRE.

For voltage references see the LM4040, LM4050 or LM4041.

8.6 µs (max)

14 µs (max)

– ADC12030 family

±1 LSB (max)

■ Integral Linearity Error

■ Single Supply

■ Power consumption

– Power down

5V ±10%

33 mW (max)

100 µW (typ)

Applications

Medical instruments

■

Process control systems

Test equipment

TRI-STATE^®is a registered trademark of National Semiconductor Corporation.

11354

www.national.com

12 3 4 5 6 7...44

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ADC12J1600	TI	获取价格	12 位、1.6GSPS、射频采样模数转换器 (ADC)
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ADC12J2700NKER	TI	获取价格	12 位、2.7GSPS、射频采样模数转换器 (ADC) \| NKE \| 68 \| -40
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